Discovery
The scientist that formed the Atomic Theory of Matter
Who is John Dalton?
An atom that has 53 electrons.
What is Iodine?
The subatomic particle that stays the same in atoms that are isotopes?
What are protons?
The average atomic mass can be found here.
What is on the periodic table?
The charge of the subatomic particles.
What are protons are positive, electrons are negative, and neutrons are neutral?
The experiment that proved that the atom is mostly empty space.
What is the Gold Foil Experiment?
What is americium?
Finding the mass number.
What is adding protons and neutrons together?
The average atomic mass on the periodic table.
What is taking the average of all the atoms that make up that element?
The number of protons give an atom its ____________?
What is identity?
This experiment was conducted by J.J Thomson and involved negatively charged particles.
What is the Cathode Ray Experiment?
The ratio for glucose (C6H12O6).
What is 6:12:6?
The number of neutrons in Ag-109.
What is 62?
Chromium has three isotopes; Cr-52, Cr-53, and Cr-50. There % abundances are 99.70%, 0.25%, and 0.05% respectively. Estimate the average atomic mass.
What is ~52u?
The location of the electrons.
What is outside the nucleus?
This experiment was conducted by Earnest Rutherford and involved discovering positively charged particles.
What is the Anode Ray Experiment?
The simplest element on the periodic table has these two subatomic particles.
What is 1 proton and 1 electron?
In 3316S, the 16 represents this.
What is the atomic number?
The percent abundance of N-15.
mass number isotopic weight percent abundance
N-14 14.003074 71.636
N-15 15.000108 ?
What is 28.364%?
The two subatomic particles that contribute to the mass of the atom?
What are protons and neutrons?
The scientist that discovered the neutron.
Who is James Chadwick?
True or False: Magnesium is made out of Manganese atoms.
What is false?
The relationship between Zr-94 and 9341X.
What are different elements?
The percent abundances equal this.
What is 100%?
Adding or removing protons changes the atom.
What is into a new element?